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Malicious Bots
book

Malicious Bots

by Ken Dunham, Jim Melnick
August 2008
Intermediate to advanced content levelIntermediate to advanced
168 pages
4h 55m
English
Auerbach Publications
Content preview from Malicious Bots
Technical Introduction to Bots  95
SDBot, being open source, required many updates to work well. One such example
was where SYN floods caused bots to become unresponsive by generating so much
egress traffic that a remote attacker lost the ability to communicate with the bot. A
snippet from the “syn flood fix.txt” from 2003 identified a fix for this problem:
// syn flood fix for sdbots. Stops them from pinging out/
not accepting any more commands when running a syn flood.
(due to location of synflood call, not due to bots
lagging themselves to death)
// add this to the part of your code where all the
typedef’s for the syn flood are
//fixed syn flood bohika
<snipped text>
threads[sin.threadnumber] = CreateThread(NULL, 0,
&synthread, (void *)&sin, ...
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Publisher Resources

ISBN: 9781420069068